body {
    font-family: "Segoe UI", Calibri, Arial, sans-serif;
    background: #f4f6f9;
    margin: 0;
    padding: 0;
    color: #222;
    line-height: 1.5;
}

/* MENÚ LATERAL */
.sidebar {
    width: 260px;
    background: #003366;
    color: white;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    padding: 30px 20px;
    box-shadow: 4px 0 10px rgba(0,0,0,0.25);
    box-sizing: border-box;
}

.sidebar-title {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 20px;
    border-bottom: 2px solid #1a4f7a;
    padding-bottom: 10px;
}

.sidebar a {
    display: block;
    color: #dce9f5;
    text-decoration: none;
    padding: 8px 0;
    font-size: 14px;
    border-bottom: 1px solid #1a4f7a;
}

.sidebar a:hover {
    color: #ffffff;
    font-weight: bold;
}

/* BOTÓN DE RETORNO */
.volver-sidebar {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #1a4f7a;
}

.btn-volver-sidebar {
    display: block;
    background: #00509e;
    color: white;
    text-align: center;
    padding: 10px 0;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    margin-top: 10px;
}

.btn-volver-sidebar:hover {
    background: #0074d9;
}

/* CONTENIDO CENTRAL */
.container {
    margin-left: 260px;
    max-width: 1100px;
    padding: 40px;
    box-sizing: border-box;
}

.card {
    background: white;
    padding: 30px;
    margin-bottom: 30px;
    border-radius: 12px;
    border: 2px solid #d7e2ee;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

h1 {
    font-size: 26px;
    color: #003366;
    margin-bottom: 10px;
    border-left: 6px solid #003366;
    padding-left: 12px;
}

h2 {
    font-size: 20px;
    color: #00509e;
    margin-top: 25px;
    margin-bottom: 10px;
}

.data-block {
    background: #eef3f8;
    padding: 12px 18px;
    border-left: 4px solid #003366;
    margin-bottom: 10px;
    border-radius: 6px;
}

/* TABLAS */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    font-size: 14px;
}

th {
    background: #003366;
    color: white;
    padding: 10px;
    text-align: left;
}

td {
    padding: 10px;
    border-bottom: 1px solid #ddd;
}

tr:nth-child(even) td {
    background: #f0f4f8;
}

/* FOTOGRAFÍAS */
figure {
    margin-top: 20px;
    text-align: center;
}

figure img {
    max-width: 100%;
    border-radius: 8px;
    border: 4px solid #003366;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
}

figcaption {
    font-size: 13px;
    color: #555;
    margin-top: 6px;
}